<template>
    <div class="login-container">
        <div class="login-box">
            <div class="avatar-box">
                <!-- 头像区 -->
                <img src="@/assets/logo.png" />
            </div>
            <!-- 登录表单区 -->
            <el-form label-width="0px" class="login-form" :model="loginForm" :rules="loginFormRules" ref="loginFormRef">
                <!-- 用户名 -->
                <el-form-item prop="username">
                    <el-input prefix-icon="el-icon-user" v-model="loginForm.username"></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item prop="password">
                    <el-input prefix-icon="el-icon-lock" v-model="loginForm.password" type="password"></el-input>
                </el-form-item>
                <!-- 按钮 -->
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">登录</el-button>
                    <el-button type="info" @click="resetLoginForm">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
export default {
    name: "Login",
    data() {
        return {
            // 表单数据绑定对象
            loginForm: {
                username: "admin",
                password: "123456",
            },
            // 表单验证规则对象
            loginFormRules: {
                username: [
                    { required: true, message: "请输入用户名", trigger: "blur" },
                    { min: 3, max: 10, message: "长度在3-10个字符", trigger: "blur" },
                ],
                password: [
                    { required: true, message: "请输入密码", trigger: "blur" },
                    { min: 6, message: "长度在6个字符以上", trigger: "blur" },
                ],
            },
        };
    },
    methods: {
        resetLoginForm() {
            this.$refs.loginFormRef.resetFields();
        },
        login() {
            this.$refs.loginFormRef.validate((valid) => {
                if (valid) {
                    this.$http({
                        url: "login",
                        method: 'post',
                        data: this.loginForm
                    }).then((res) => {
                        sessionStorage.setItem("token", res.data.token);
                        this.$message.success(res.meta.msg);
                        this.$router.push("/home");
                    }).catch(error => {
                        console.log(error);
                    })
                }
            })
        },
    },
};
</script>

<style scoped lang="less">
.login-container {
    background-color: #2b4b6b;
    height: 100%;
}

.login-box {
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .avatar-box {
        height: 130px;
        width: 130px;
        border: 1px solid #eee;
        border-radius: 50%;
        padding: 10px;
        box-shadow: 0 0 10px #ddd;
        position: absolute;
        left: 50%;
        transform: translate(-50%, -50%);
        background-color: #fff;

        img {
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background-color: #eee;
        }
    }
}

.btns {
    display: flex;
    justify-content: flex-end;
}

.login-form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}
</style>